Bump govuk frontend toolkit to 4.14.1

# 4.14.1

- Fix tabular number sizing in Firefox ([PR
#301](alphagov/govuk_frontend_toolkit#301))

# 4.14.0

- Allow use of multiple GA customDimensionIndex. See [this
section](https://github.com/alphagov/govuk_frontend_toolkit/blob/master/
docs/javascript.md#using-google-custom-dimensions-with-your-own-statisti
cal-model) of the documentation for more information.
- Configurable duration (in days) for AB Test cookie. See [this
section](https://github.com/alphagov/govuk_frontend_toolkit/blob/master/
docs/javascript.md#multivariate-test-framework) of the documentation
for more information.
- Allow base scripts to run within a module loader. See [this
PR](alphagov/govuk_frontend_toolkit#290) for
more information.

package.json

@@ -8,7 +8,7 @@
     "node": ">=4.0.0"
   },
   "dependencies": {
-    "govuk_frontend_toolkit": "^4.13.0"
+    "govuk_frontend_toolkit": "^4.14.1"
   },
   "devDependencies": {
     "body-parser": "^1.14.1",